# cd /etc/guacamole/extensions/
# wget https://downloads.apache.org/guacamole/1.5.5/binary/guacamole-auth-totp-1.5.5.tar.gz
# tar -xvzf ....
# mv .../... .
#TOTP
totp-issuer: Apache Guacamole <- Identificação
totp-digits: 6
totp-period: 30 <- Tempo em segundos
totp-mode: sha1 <- “sha1”, “sha256” ou “sha512”
# systemctl restart guacd.service tomcat9.service